How To Run Memory Diagnostics
The computer powers on, fans spin, but the screen remains blank, often accompanied by a series of audible beeps from the motherboard. Method 1: Windows Memory Diagnostic Tool (Built-in)
Restart your computer and boot from the USB drive (you may need to change your boot order in BIOS).
Click the matching log entry to view the detailed report in the bottom text box. Method 2: MemTest86 (Advanced Third-Party Tool)
You can set the test to repeat up to 15 times to find intermittent issues. 🔍 How to View Your Results how to run memory diagnostics
Your RAM is healthy. Your problem lies elsewhere.
Once the test finishes, your computer will automatically restart and return to Windows. In most cases, the results will appear in a notification in the taskbar within a few minutes. If it does not appear, you can find it in the : Right-click the Start button and select Event Viewer . Navigate to Windows Logs > System .
Choose to begin immediately.
If you have multiple sticks of RAM and the test reports errors, you need to identify which stick is faulty: Turn off your PC and remove all but one RAM stick. Run the diagnostics tool again. Repeat this process for each stick individually. Summary Checklist for a quick check. Use MemTest86 for the most accurate results.
Select "Restart now and check for problems (recommended)". Make sure to save any open work first.
Click the matching log entry to view the details in the bottom pane. Method 2: Using MemTest86 (Advanced Third-Party Testing) The computer powers on, fans spin, but the
The test runs automatically. By default, it performs a "Standard" pass. You can press F1 to change the settings to "Extended" for a more thorough (but much slower) scan.
The software runs four full passes by default. This process can take anywhere from two to eight hours depending on the speed and capacity of your RAM. If the software encounters a single error, a bright red line will appear at the bottom of the screen. If you see red errors, you can stop the test early; your RAM is faulty. Method 3: Running Diagnostics on Apple Mac Systems